LCD MODULE and one-body molded backboard thereof
[technical field]
The present invention relates to a kind of LCD MODULE and one-body molded backboard thereof, particularly relate to a kind of LCD MODULE and one-body molded backboard thereof that need not glue frame and preceding frame.
[background technology]
LCD (liquid crystal display; LCD) be to utilize the characteristic of liquid crystal material to come a kind of panel display apparatus (flat panel display of display image; FPD); It has more advantages such as frivolous, low driving voltage and low-power consumption compared to other display device, has become the main product on the whole consumption market.Yet the liquid crystal material of LCD can't be from main light emission, must be by the external light source that provides, so be provided with backlight module in the LCD again in addition so that required light source to be provided.
Generally speaking, backlight module can be divided into side entrance back module and two kinds of forms of direct type backlight module, and wherein the side entrance back module is injected light source by the side of LGP, through after the special reflex of LGP towards the end face output light source.In addition, direct type backlight module does not contain LGP, and it is through the effect of the diffuser plate of the reflecting plate of below and top light source upwards to be exported.
Backlight module is mainly assembled by assemblies such as backboard, light source, lampshade, reflecting plate (Reflector), LGP (Light guide plate), diffusion sheet (Diffusion sheet), brightness enhancement film (Brightness enhancement film) and glue frames.Generally in constituting LCD MODULE behind the combination of liquid crystals panel again on the backlight module.
Please with reference to shown in Figure 1, it discloses a kind of sectional perspective exploded view of existing LCD MODULE, and wherein a LCD MODULE 10 roughly comprises frame 13 before a backlight module 11, the liquid crystal panel 12,, several first screws 14 and several second screws 15.Said backlight module 11 has several blooming pieces 110 and a glue frame 111.Said glue frame 111 is the outer skeleton frames of a rectangle, is equipped with a backboard and several backlights (not illustrating) in the wherein said glue frame 111 in advance, follows said blooming piece 110 and places the backboard top in the said glue frame 111 again.Moreover said glue frame 111 has at least one side surface and offers several first threaded holes 112, and said glue frame 111 of while has a upper surface in addition and offers several second threaded holes 113.Said liquid crystal panel 12 is provided with one drive circuit plate 121 at least one side, and said drive circuit board 121 is provided with several drive integrated circult chips (driver IC), and in position offers several perforates 122 in addition.Frame 13 is rectangle housing shells before said, and said preceding frame 13 has a upper surface and offers several assembly holes 131.
When assembling, earlier said liquid crystal panel 12 is placed on the said backlight module 11, and utilizes said first screw 14 to pass the perforate 122 of said drive circuit board 121, establish first threaded hole 112 that lock is paid the side surface that is combined in said glue frame 111 with spiral shell.Then, again frame 13 before said is pressed together on the said liquid crystal panel 12, and utilizes said second screw 15 to pass the assembly hole 131 of the upper surface of said preceding frame 13, establish second threaded hole 113 that lock is paid the upper surface that is combined in said glue frame 111 with spiral shell.So, said first screw 14 and second screw 15 can with said backlight module 11, liquid crystal panel 12 and before frame 13 be assembled into one, and constitute said LCD MODULE 10.
Yet above-mentioned existing LCD MODULE 10 still has following problems on actual assembled: the LCD MODULE 10 of existing volume production, all need develop backboard, glue frame 111 and preceding frame 13 for every, and the fit relative complex.And; Along with the kind and the size of panel of LCD constantly increases; The size and the material of the glue frame 111 of preceding frame 13 and LCD MODULE 11 also increase thereupon, because the preceding frame 13 of various different sizes and glue frame 111 can't be shared, therefore; Also must constantly develop new mould in order to produce these preceding frames 13 and glue frame 111, cause the increase of LCD MODULE 10 cost of development and built-up time.In other words, how to manage to reduce the quantity of assemblies such as backboard, glue frame 111 and preceding frame 13, even omit its setting, become the design focal point of LCD MODULE.
Therefore, be necessary to provide a kind of LCD MODULE, to solve the existing in prior technology problem.
[summary of the invention]
Fundamental purpose of the present invention provides a kind of LCD MODULE; Its bottom through one-body molded backboard is extended several first end differences, several second end differences and several holding sections that bending forms in regular turn; And carry fixed optics diaphragm group with first end difference; Carry the immobile liquid crystal panel with second end difference, and grip liquid crystal panel jointly through the holding section and second end difference.Therefore, one-body molded backboard capable of using reaches the function of virgin rubber frame and preceding frame, thereby can omit the use of glue frame and preceding frame, and then said liquid crystal panel directly is installed on the said one-body molded backboard, makes fit fast simple relatively.And can reduce the research and development expense, shorten the R&D cycle and reduce production costs.
Secondary objective of the present invention provides a kind of LCD MODULE, and it passes through first fixture with fixed optics diaphragm group, and second fixture is with the immobile liquid crystal panel, to simplify mounting means.
Another object of the present invention provides a kind of LCD MODULE, and its end face through first end difference is provided with soft board and supports recess, and in order to the soft board of the flexible circuit board component that supports the liquid crystal panel side partly, accident is torn in the time of can preventing that said soft board from partly assembling.In addition, one-body molded backboard also comprises the circuit board cover sheet, in order to coat the flexible circuit board component.
For reaching above-mentioned purpose, the present invention provides a kind of one-body molded backboard of LCD MODULE, and it comprises: first edge, second edge, the 3rd edge and the 4th edge, and wherein said first edge is corresponding with said the 3rd edge; Said second edge is corresponding with said the 4th edge; The one-body molded backboard of said LCD MODULE comprises:
Several first end differences are inverted L shape, and being made progress and stretched out by said first edge and the 3rd edge at least forms; And
Several second end differences; Be inverted L shape; At least upwards and stretch out and form, the outer rim of the end face of said second end difference upwards and extend internally and be provided with the holding section and is inverted L shape by the outer rim of the end face of said first end difference at said first edge and the 3rd edge;
The end face of wherein said first end difference carries an optical diaphragm group, and the end face of said first end difference is provided with at least one first fixture with fixing said optical diaphragm group, and the end face of said holding section and said second end difference grips a liquid crystal panel jointly.
In one embodiment of this invention, the end face of said second end difference is provided with at least one second fixture, with fixing said liquid crystal panel.
In one embodiment of this invention, first end difference of said one-body molded backboard is located at said second edge and the 4th edge in addition.
In one embodiment of this invention, said second edge is provided with said second end difference, and said the 4th edge is provided with said second end difference and an assembling opening.
In one embodiment of this invention, the end face of said first end difference is provided with at least one first fixture, with fixing said optical diaphragm group; The said second end difference end face at said the 4th edge is provided with at least one second fixture, with fixing said liquid crystal panel.
In one embodiment of this invention, the said first end difference end face at said the 4th edge is provided with at least one soft board and supports recess, to support a flexible circuit board component of said liquid crystal panel side.
In one embodiment of this invention, said one-body molded backboard also comprises a circuit board cover sheet, to coat said flexible circuit board component.
For reaching above-mentioned another purpose, the present invention provides a kind of LCD MODULE, and it comprises: one-body molded backboard, a light sources, an optical diaphragm group and a liquid crystal panel; Said one-body molded backboard has first edge, second edge, the 3rd edge and the 4th edge, and wherein said first edge is corresponding with said the 3rd edge; Said second edge is corresponding with said the 4th edge; Said one-body molded backboard comprises:
Several first end differences are inverted L shape, and being made progress and stretched out by said first edge, second edge and the 3rd edge at least forms; And
Several second end differences are inverted L shape, at least by the outer rim of the end face of said first end difference at said first edge, second edge and the 3rd edge upwards and stretch out and form;
Several holding sections are inverted L shape, by the outer rim of the end face of said second end difference upwards and extend internally and form;
Be provided with said light sources in the wherein said one-body molded backboard; The end face of said first end difference carries said optical diaphragm group; The end face of said first end difference is provided with at least one first fixture with fixing said optical diaphragm group; The end face of said second end difference carries a fixing liquid crystal panel, and the end face of said holding section and said second end difference grips said liquid crystal panel jointly.
The present invention is through the one-body molded back plate design of LCD MODULE; One-body molded backboard capable of using reaches the function of virgin rubber frame and preceding frame; Thereby the use that can omit glue frame and preceding frame; Liquid crystal panel directly is installed on the one-body molded backboard of LCD MODULE, can makes fit fast simple relatively.And can reduce the research and development expense, shorten the R&D cycle and reduce production costs.
[description of drawings]
Fig. 1: the stereographic map exploded view of existing a kind of LCD MODULE.
Fig. 2: the stereographic map of the one-body molded backboard of a kind of LCD MODULE of preferred embodiment of the present invention.
Fig. 3: the three-dimensional assembly diagram of a kind of LCD MODULE of preferred embodiment of the present invention.
Fig. 4: the partial sectional view of a kind of LCD MODULE of preferred embodiment of the present invention.
[embodiment]
For making above-mentioned purpose of the present invention, characteristic and advantage more obviously understandable, hereinafter is special lifts preferred embodiment of the present invention, and conjunction with figs., elaborates as follows:
Please with reference to shown in Figure 2, Fig. 2 discloses the stereographic map of one-body molded backboard of a kind of LCD MODULE of preferred embodiment of the present invention.As shown in Figure 2, a kind of one-body molded backboard 20 of LCD MODULE, it comprises: first edge 21, second edge 22, the 3rd edge 23 and the 4th edge 24, wherein said first edge 21 is corresponding with said the 3rd edge 23; Said second edge 22 is corresponding with said the 4th edge 24.The one-body molded backboard 20 of said LCD MODULE comprises several first end differences 25, several second end differences 26 and several holding sections 27, and these architectural features are narrated as follows:
At first, as shown in Figure 2, said several first end differences 25 are inverted L shape, and each said first end difference 25 by said first edge 21, said second edge 22, said the 3rd edge 23 and said the 4th edge 24 upwards and stretch out and form.
Moreover; As shown in Figure 2; Said several second end differences 26 are inverted L shape, and each said second end difference 26 by the outer rim of the end face of each said first end difference 25 (laying respectively at first edge 21, said second edge 22, said the 3rd edge 23 and said the 4th edge 24) upwards and stretch out and form.
Further, the outer rim of the end face of said second end difference 26 at said first edge 21, said second edge 22 and said the 3rd edge 23 also upwards and extend internally and be provided with a holding section 27 and is inverted L shape.
Please be simultaneously with reference to Fig. 2, Fig. 3 and shown in Figure 4, Fig. 3 discloses the three-dimensional assembly diagram of a kind of LCD MODULE of preferred embodiment of the present invention; Fig. 4 discloses the partial sectional view of a kind of LCD MODULE of preferred embodiment of the present invention.Like Fig. 2, Fig. 3 and shown in Figure 4, the one-body molded backboard 20 of said LCD MODULE is used to be assembled into a liquid crystal panel module, and details are as follows:
The present invention does not limit the pattern of backboard 20 backlight of using of said LCD MODULE; The inner bottom part of said one-body molded backboard 20; Just by the vertical wall of said one-body molded backboard 20 bottoms and said several first end differences 25 partly institute's one common peripheral around accommodation space; Be provided with a side entering type light source assembly 30 or a directly-down light source assembly 30, said light source assembly 30 possibly comprise light-emitting component, LGP and the reflecting plate (not detailed painting) of various types.
In addition, by the end face of each said first end difference 25 at said first edge 21, said second edge 22, said the 3rd edge 23 and said the 4th edge 24 the carriage that forms jointly, can be in order to carry and to fix an optical diaphragm group 40.And; Said optical diaphragm group 40 can fix through double faced adhesive tape or the solid mode of spiral shell; For example shown in Figure 4; Insert from top to bottom when said optical diaphragm group 40 said first end difference 25 end face behind the common carriage that forms; Through using several first fixtures 252 (for example screw) to pass the 40 corresponding perforation 41 that are provided with of said optical diaphragm group, and said optical diaphragm group 40 is fixed in corresponding several first fixed orifices (screw) 251 that are provided with of end face of said first end difference 25, with fixing said optical diaphragm group 40.
Moreover, by the end face of each said second end difference 26 at said first edge 21, said second edge 22, said the 3rd edge 23 and said the 4th edge 24 the carriage that forms jointly, can be in order to carry a liquid crystal panel 50.And said liquid crystal panel 50 can fix through the mode of engaging or additional fastening part.For example shown in Figure 3; Because the outer rim of the end face of said second end difference 26 at said first edge 21, said second edge 22 and said the 3rd edge 23 also is provided with holding section 27; Because said the 4th edge 24 is provided with the assembling opening (not indicating) that said second end difference 26 and forms relatively; Therefore said liquid crystal panel 50 can be inserted by the assembling opening at said the 4th edge 24, and the end face of said holding section 27 and said second end difference 26 grips said liquid crystal panel 50 jointly.And further; Through using several second fixture 262 (plug-in units that for example is inverted L shape; Made by plastic cement or rubber material) be resisted against said liquid crystal panel 50 edges; And then said liquid crystal panel 50 is fixed in corresponding several second fixed orifices 261 that are provided with of end face of said second end difference 26, with fixing said liquid crystal panel 50, but the mode of the fixing said liquid crystal panel 50 of the present invention is not limited to this; The user places under the prerequisite of said second end difference at said liquid crystal panel 50, can adopt alternate manner to fix said liquid crystal panel 50.
Because said first edge 21 of the said one-body molded backboard 20 of preferred embodiment of the present invention, said second edge 22, said the 3rd edge 23 and said the 4th edge 24 are respectively equipped with said first end difference 25 and said second end difference 26; The carriage that wherein said first end difference 25 forms is greater than the bottom area of said backboard 20, the carriage that the carriage of said second end difference 26 formation then forms greater than first end difference 25.Therefore, before said one-body molded backboard 20 was inserted said liquid crystal panel 50, said light source assembly 30 can be inserted the inner bottom part of said one-body molded backboard 20 from top to bottom, and said optical diaphragm group 40 also can be inserted said first end difference 25 from top to bottom.As shown in Figure 4, said one-body molded backboard 20 is a metal metal plate spare preferably, and said first end difference 25, said second end difference 26 and said holding section 27 are preferably extended bending in regular turn by the bottom of said one-body molded backboard 20 and formed.In addition, said one-body molded backboard 20 optionally is provided with buffering pad snaps in said holding section 27 with further protection said liquid crystal panel 50 between the inboard and said liquid crystal panel 50 of said holding section 27.
Yet; The situation that said first edge 21 of one-body molded backboard 20 according to the invention, said second edge 22, said the 3rd edge 23 and said the 4th edge 24 are provided with said first end difference 25, said second end difference 26 and said holding section 27 is not limited to this; The present invention can comprise various possible combined situation; For example said first end difference 25 is located at said first edge 21 and the 3rd edge 23 at least; Said second end difference 26 also is located at said first edge 21 and the 3rd edge 23 at least, so also can reach the order ground that supports said optical diaphragm group 40 and said liquid crystal panel 50.In addition, if said one-body molded backboard 20 is not provided with holding section 27, also possibly only rely on said second fixture 262 to fix said liquid crystal panel 50.Therefore, the user position that can adjust the quantity of said first end difference 25, said second end difference 26 and said holding section 27 and need to be provided with according to actual demand.
Please refer again to Fig. 2 and shown in Figure 3; The side that said liquid crystal panel 50 is positioned at said the 4th edge 24 of said one-body molded backboard 20 is provided with at least one flexible circuit board component 51 (chip on film for example; COF; Be the drive circuit board packaging structure of a kind of chip on soft board), the end face correspondence of said second end difference 26 at said the 4th edge 24 of said one-body molded backboard 20 is provided with at least one soft board and supports recess 263, its metal plate spare capable of using be bent to form bigger fillet; In order to the soft board of the flexible circuit board that supports said liquid crystal panel side partly 511, and can prevent said soft board partly during 511 assemblings accident tear.512 back surfaces that can be fixed in said one-body molded backboard 20 of the circuit board of said flexible circuit board component 51 other ends.Further, said LCD MODULE also comprises a circuit board cover sheet 60, is the L type, in order to coat and to protect said flexible circuit board component 51.
In sum, all need develop one-body molded backboard compared to every of existing LCD MODULE, glue frame and preceding frame, and fit relative complex cause the increase of cost of development and built-up time.The edge of the present invention through said one-body molded backboard 20 is provided with said first end difference 25, said second end difference 26 and said holding section 27; And carry fixing said optical diaphragm group 40 with said first end difference 25; Carry fixing said liquid crystal panel 50 with said second end difference 26, and grip said liquid crystal panel 50 jointly with said second end difference 26 through said holding section 27.Therefore, said one-body molded backboard 20 capable of using reaches the function of virgin rubber frame and preceding frame, thereby can omit the use of glue frame and preceding frame, and then said liquid crystal panel 50 directly is installed on the said one-body molded backboard 20, makes fit fast simple relatively.And can reduce the research and development expense, shorten the R&D cycle and reduce production costs.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that disclosed embodiment does not limit scope of the present invention.On the contrary, being contained in the spirit of claims and the modification and impartial setting of scope includes in scope of the present invention.